1*67e74705SXin Li // RUN: %clang_cc1 %s -fsyntax-only -verify 2*67e74705SXin Li // PR4290 3*67e74705SXin Li 4*67e74705SXin Li // The following declaration is not compatible with vfprintf(), but make 5*67e74705SXin Li // sure this isn't an error: autoconf expects this to build. 6*67e74705SXin Li char vfprintf(); // expected-warning {{incompatible redeclaration of library function 'vfprintf'}} expected-note {{'vfprintf' is a builtin}} 7